TYPE COLORCODE INDUCTORS
◆可靠性测试方法
Reliability Test Method
组别
试验 项目
试验方法
判定标准
Criteria
Group
Test items
外观
test method
目测
1.1
1.2
appearance
Visual inspection
用精度不少于 0.02mm 的量具测量。
尺寸
符合产品标准要求
Measure with a measuring tool with an accuracy of
no less than 0.02mm.
1
size
Meet the requirements of product
standards
电性能
Electrical
由相应的测试仪进行测试
1.3
2.1
Test with the appropriate tester
performance
施加规格书中规定的电流(若无叠加电流要求则无需
试验)Apply the current specified in the specification
(no test is required if there is no superimposed
current requirement)
变化符合承认书中规定的要求
Changes meet the requirements
specified in the letter of
recognition
叠加电流
Superimposed
current
焊锡温度:255℃±5℃
可焊性
Solder temperature: 255 ℃± 5 ℃
浸渍时间:2.5s±0.5s
上锡率≥95%
2.2
Weldability
Tinning rate ≥ 95%
Immersion time: 2.5s ± 0.5s
试验温度:40℃±2℃;
试验湿度:(90%~95%)RH
外观无明显损伤,
-10%≤△L/L≤10%
试验时间:500 h±2 h
恢复时间:24 h±2 h
恒定湿热
Steady
There is no obvious damage to
the appearance,
2.3
Test temperature: 40 ℃± 2 ℃;
Test humidity: (90%~95%) RH
Test time: 500 h ± 2 h
damp-heat
-10%≤△L/L≤10%
2
Recovery time: 24 h ± 2 h
①磁芯外径>5mm:≥3.0Kg
②磁芯外径≤5mm:≥2.0Kg
引出端强度
Terminal
拉力计
①
Outer diameter of magnetic
core > 5mm: ≥ 3.0Kg
Outer diameter of magnetic
2.4
tensimeter
tensile strength
②
core ≤ 5mm: ≥ 2.0Kg
外观无明显损伤,产品电气性能符
合要求
跌落
1m 高度自由落下水泥地,3 次
There is no obvious damage to
the appearance, and the
electrical performance of the
product meets the requirements
2.5
drop
Free fall on the cement floor at a height of 1m, twice
焊锡温度:350℃±5℃
外观无明显损伤,
There is no obvious damage to
the appearance,
耐焊接热
Solder temperature: 350 ℃± 5 ℃
浸渍深度:10mm
2.6
Resistance to
welding heat
Immersion depth: 10mm
10%≤△L/L≤10%
4